RWH
Rainwater Harvesting (RWH) is the process of collecting, storing, and using rainwater from rooftops, open grounds, or other surfaces for various purposes instead of letting it run off into drains. The collected rainwater is usually filtered and stored in tanks or underground reservoirs to remove debris, dust, and contaminants, making it suitable for non-potable uses like irrigation, flushing, cooling, or even treated further for drinking purposes. Rainwater harvesting helps reduce dependency on groundwater and municipal water supply, mitigate urban flooding, and conserve water resources, making it an important component of sustainable water management. It is widely implemented in residential buildings, industries, schools, and public infrastructure, especially in regions facing water scarcity or erratic rainfall patterns.